writes "A new worm, targeting the Microsoft SQL daemon, has been sweeping the net. It uses massive scanning, default passwords, exploits against vulnerable versions and even attempts to brute force passwords.
Here is the (vague) Microsoft bulliten,
the SANS analysis,
and a securityfocus article"
Already over a thousand compromised system- you're apparently only vulnerable
if you run MS SQL, but the worm is causing a substantial spike in traffic to
port 1433 on the net.